5. the sequence of events in the action potential in a contractile fiber of the heart. (Include the events in the ion channels involved.) (1a) norepinephrine from the Sympathetic Division of the ANS stimulates a given conducting myofiber or contractile cardiac muscle cell to depolarize; or,
Actress | Producer. Patridge was born in Los Angeles, California, to Lynn (Clelland) and Mark Patridge, and is the eldest of four children. She has English, German, Belgian (Walloon and Flemish), Italian, and Polish ancestry.
Audrina Patridge and her boyfriend of five years Corey Bohan have split, Us Weekly can confirm. Credit: Isaac Brekken/Getty Images. Audrina Patridge has split from her boyfriend Corey Bohan after five years of on-and-off dating, a source close to the reality star tells Us Weekly. She's single right now, the insider tells Us of the former Hills star. PHOTOS: Celebrity splits of 2014.